All data are in degrees Fahrenheit

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Water temperature in Fukuoka

Detailed information about the current water temperature in Fukuoka. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Fukuoka now

66.5

°F

November 28, 09:50

Trend:

stable

Yesterday:

66.5°F

Tomorrow:

66.2°F

Sunrise:

07:01

Sunset:

17:11

Day Length:

10 h. 10 min.

Fukuoka in December

Minimum:

56.3°F

Average:

58.5°F

Maximum:

60.3°F

Sea water temperature in Fukuoka today

As of now, in Fukuoka, the water temperature is 66.5°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.1°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 66.6°F on 2016, while the historical minimum was 63.9°F on 2021.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 65.8°F, the minimum temperature may reach 65.4°F, and the maximum might stay at 66.2°F.

Daily water temperature in Fukuoka

Date Current Year

actual* / forecast**

last year 10 years average
Nov 14 68.1°F 68.6°F 67.6°F
Nov 15 68.0°F 69.0°F 67.7°F
Nov 16 67.2°F 68.8°F 67.5°F
Nov 17 67.0°F 68.7°F 67.3°F
Nov 18 67.1°F 68.5°F 67.0°F
Nov 19 67.0°F 67.6°F 67.0°F
Nov 20 67.2°F 67.7°F 67.0°F
Nov 21 67.0°F 67.7°F 66.5°F
Nov 22 66.8°F 67.7°F 66.3°F
Nov 23 66.7°F 67.6°F 66.3°F
Nov 24 67.4°F 67.5°F 66.2°F
Nov 25 67.1°F 66.7°F 66.0°F
Nov 26 67.0°F 66.5°F 65.7°F
Nov 27 66.5°F 66.5°F 65.3°F
Nov 28 66.5°F 66.5°F 65.4°F
Nov 29 66.2°F 66.3°F 65.0°F
Nov 30 66.1°F 66.1°F 65.0°F
Dec 1 66.1°F 65.9°F 64.9°F
Dec 2 65.9°F 65.5°F 64.8°F
Dec 3 65.7°F 64.5°F 64.5°F
Dec 4 65.5°F 64.3°F 64.4°F
Dec 5 65.4°F 64.1°F 64.3°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Fukuoka by month

In Fukuoka, the months July through September offer comfortable swimming conditions, which amounts to 110 swimming days.
The warmest water in Fukuoka was recorded on August 4, 2024, reaching a 88.2°F. While the coldest temperature occurred on March 10, 2025, dipping to 51.7°F. The average readings by season are 58.5°F in Winter, 60.1°F in Spring, 77.5°F in Summer, and 73.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kitakyushu 65.3°F 30mi
Shimonoseki 65.3°F 39mi
Kumamoto 63.5°F 57mi
Nagasaki 68.1°F 66mi

* current water temperature in this city

** straight line distance from Fukuoka